diff --git a/content/chapter-configuration-file/configuration-syntax/_index.md b/content/chapter-configuration-file/configuration-syntax/_index.md
index a14dcb01..0adb5dfa 100644
--- a/content/chapter-configuration-file/configuration-syntax/_index.md
+++ b/content/chapter-configuration-file/configuration-syntax/_index.md
@@ -30,7 +30,7 @@ The following is a very simple configuration file for `syslog-ng`: it collects t
     };
 ```
 
-As a `syslog-ng` user described on a mailing list:
+As a `syslog-ng` user described on a [mailing list](https://archives-cdn-origin.gentoo.org/gentoo-user/201003172231.28032.alan.mckinnon@gmail.com):
 
 > Alan McKinnon
 >